ID   CEMA_ANGEV              Reviewed;         448 AA.
AC   A2T345;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-MAR-2007, sequence version 1.
DT   25-MAY-2022, entry version 44.
DE   RecName: Full=Chloroplast envelope membrane protein;
GN   Name=cemA {ECO:0000255|HAMAP-Rule:MF_01308};
OS   Angiopteris evecta (Mule's foot fern) (Polypodium evectum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Polypodiopsida; Marattiidae; Marattiales; Marattiaceae; Angiopteris.
OX   NCBI_TaxID=13825;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Roper J.M., Hansen S.K., Wolf P.G., Karol K.G., Mandoli D.F.,
RA   Everett K.D.E., Kuehl J.V., Boore J.L.;
RT   "The complete plastid genome sequence of Angiopteris evecta (G. Forst.)
RT   Hoffm. (Marattiaceae).";
RL   Am. Fern J. 97:95-106(2007).
CC   -!- FUNCTION: May be involved in proton extrusion. Indirectly promotes
CC       efficient inorganic carbon uptake into chloroplasts.
CC       {ECO:0000255|HAMAP-Rule:MF_01308}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast inner membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01308}; Multi-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01308}.
CC   -!- SIMILARITY: Belongs to the Cema family. {ECO:0000305}.
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DR   EMBL; DQ821119; ABG79612.1; -; Genomic_DNA.
DR   RefSeq; YP_001023713.1; NC_008829.1.
DR   AlphaFoldDB; A2T345; -.
DR   SMR; A2T345; -.
DR   GeneID; 4788197; -.
DR   GO; GO:0009706; C:chloroplast inner membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0015078; F:proton transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01308; CemA; 1.
DR   InterPro; IPR004282; CemA.
DR   PANTHER; PTHR33650; PTHR33650; 1.
DR   Pfam; PF03040; CemA; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Hydrogen ion transport; Ion transport; Membrane; Plastid;
KW   Plastid inner membrane; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..448
FT                   /note="Chloroplast envelope membrane protein"
FT                   /id="PRO_0000293510"
FT   TRANSMEM        224..244
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        325..345
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        373..393
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
FT   TRANSMEM        408..428
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01308"
SQ   SEQUENCE   448 AA;  52374 MW;  9BF333D7E8975933 CRC64;
     MEFNNSVSTI YWSLLERKFS IYVLTFLNRL KCILSNPFSI SFSNNKYPSF FNANKTFLKR
     DSCNLFPNQS NIMFFLVVLS KRLCPNYFNN TGEKKNRGDN INDSSGNRFI DESYVSARKS
     MSKESNKIKQ MNRKLAWIEA TLNDLDIWRH SYSVFSSSTK MENNLEQQFS VLESKDTPIT
     MMAYESISLV PRSITRTLSR FKTELMGDSN SLILNEFRLA KYQALASIQY IGCLLFILSI
     ISMLSKTMFL KSWITNWWNT SQSHIFLNLF QEERALKELQ EMEELLWLDR VMADYVKDQS
     QDLDIEIYEE TIQLVTIYNE DSIQIILHLL TDIISIVTLI VLFIIGRKRL AVLNSWIQEL
     FYSLSDTMKA FSILLLTDLC IGFHSPHGWE IVIGSFLEHL GFSHNKHIIS CFVSTFPVIL
     DTVFKYWIFR HLNRISPSIV ATYHTMNE